Analysis
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max time kernel
93s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 20:37
Behavioral task
behavioral1
Sample
bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe
Resource
win10v2004-20241007-en
General
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Target
bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe
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Size
659KB
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MD5
ab8a662f79dc7c506f78d9fffbb07cb0
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SHA1
07ed591ddc463cc8c2bb89cb8175274ba82cd8f0
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SHA256
bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87c
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SHA512
9c168be8e0e63d78d3daff34d5e2f2b217a6c5aa563f4f503bcc2b437e0f0a0448edb7bbed814d9f0617632f0f2027c48c724d83ec608bd2189d58186ed8c68e
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SSDEEP
12288:VmgqnIZuYfCYqFet4CovkM7VyynE0zxH03pyaWmjwTXjKzVW:VWnIZuMCxezot7AGpZQ9872RW
Malware Config
Signatures
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Detect Neshta payload 4 IoCs
resource yara_rule behavioral2/files/0x0006000000020231-48.dat family_neshta behavioral2/memory/4280-128-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4280-149-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta behavioral2/memory/4280-151-0x0000000000400000-0x000000000041B000-memory.dmp family_neshta -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe -
Executes dropped EXE 2 IoCs
pid Process 1760 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe 2304 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe -
Loads dropped DLL 1 IoCs
pid Process 2304 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\WINDOW~4\setup_wm.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\INTERN~1\ExtExport.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmpshare.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe -
Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4280 wrote to memory of 1760 4280 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe 83 PID 4280 wrote to memory of 1760 4280 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe 83 PID 4280 wrote to memory of 1760 4280 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe 83 PID 1760 wrote to memory of 2304 1760 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe 84 PID 1760 wrote to memory of 2304 1760 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe 84 PID 1760 wrote to memory of 2304 1760 bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe"C:\Users\Admin\AppData\Local\Temp\bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe"1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Users\Admin\AppData\Local\Temp\3582-490\bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\Temp\{C890055D-39AE-47ED-8A68-BBF435C02C19}\.cr\bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe"C:\Windows\Temp\{C890055D-39AE-47ED-8A68-BBF435C02C19}\.cr\bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\3582-490\bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe" -burn.filehandle.attached=688 -burn.filehandle.self=6923⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2304
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
86KB
MD53b73078a714bf61d1c19ebc3afc0e454
SHA19abeabd74613a2f533e2244c9ee6f967188e4e7e
SHA256ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
SHA51275959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4
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C:\Users\Admin\AppData\Local\Temp\3582-490\bf656afc0543356c4ca202cf7f4f6518b7e646b70e35b95b57d529976971b87cN.exe
Filesize618KB
MD51f472cf10cbc3a5a849c4d4f18115b96
SHA1a5020688a3a33dbde0b494e592f30de7d2d4eb43
SHA2564b281ea9766b9d17e2ea43736797d4e3d4da4d102bbd9b11cf27167f0f65a26c
SHA512410e550d593b3cbec9f2276d539958c86d2e31ef8132dd34a522b41e5ef7bbed40fc18fdb361fa9d40645cd0419a8fed6581936384df15185b3b7ad595374634
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Filesize
12KB
MD584709eb22e4b05688067699ca9b0d322
SHA17c3381d8b6a58087cda95577cc2d25e7aa2c21d8
SHA256c8e23a42e04fbd73f5f66f3b9f2ba34a777bc4769c413a0f78335a4e757baad5
SHA51204de70b7317ee1cbde73ac0fe84bd70983cf0ff7e769e5f9626c69eaa6e3e9724c95b14ccb7a5478ee639848d3f8c98e4dec599cc5e33ad71de638da589ba319
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Filesize
215KB
MD5f68f43f809840328f4e993a54b0d5e62
SHA101da48ce6c81df4835b4c2eca7e1d447be893d39
SHA256e921f69b9fb4b5ad4691809d06896c5f1d655ab75e0ce94a372319c243c56d4e
SHA512a7a799ecf1784fb5e8cd7191bf78b510ff5b07db07363388d7b32ed21f4fddc09e34d1160113395f728c0f4e57d13768a0350dbdb207d9224337d2153dc791e1